12a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// found in the LICENSE file. 42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/bind.h" 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/bind_helpers.h" 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/synchronization/waitable_event.h" 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/threading/thread.h" 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "media/audio/audio_manager.h" 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "media/audio/simple_sources.h" 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "media/audio/virtual_audio_input_stream.h" 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "media/audio/virtual_audio_output_stream.h" 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "testing/gmock/include/gmock/gmock.h" 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "testing/gtest/include/gtest/gtest.h" 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)using ::testing::_; 172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace media { 192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace { 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const AudioParameters kParams( 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 8000, 8, 128); 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class MockVirtualAudioInputStream : public VirtualAudioInputStream { 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public: 27c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit MockVirtualAudioInputStream( 285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const scoped_refptr<base::SingleThreadTaskRunner>& worker_task_runner) 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : VirtualAudioInputStream( 302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) kParams, 315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) worker_task_runner, 322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Bind(&base::DeletePointer<VirtualAudioInputStream>)) {} 332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ~MockVirtualAudioInputStream() {} 342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) MOCK_METHOD2(AddOutputStream, void(VirtualAudioOutputStream* stream, 362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const AudioParameters& output_params)); 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) MOCK_METHOD2(RemoveOutputStream, void(VirtualAudioOutputStream* stream, 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const AudioParameters& output_params)); 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) private: 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(MockVirtualAudioInputStream); 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class MockAudioDeviceListener : public AudioManager::AudioDeviceListener { 452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public: 462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) MOCK_METHOD0(OnDeviceChange, void()); 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class VirtualAudioOutputStreamTest : public testing::Test { 502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public: 512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) VirtualAudioOutputStreamTest() 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : audio_thread_(new base::Thread("AudioThread")) { 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) audio_thread_->Start(); 545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) audio_task_runner_ = audio_thread_->message_loop_proxy(); 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const scoped_refptr<base::SingleThreadTaskRunner>& audio_task_runner() const { 585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return audio_task_runner_; 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SyncWithAudioThread() { 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::WaitableEvent done(false, false); 635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) audio_task_runner()->PostTask( 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FROM_HERE, base::Bind(&base::WaitableEvent::Signal, 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Unretained(&done))); 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) done.Wait(); 672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) private: 702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<base::Thread> audio_thread_; 715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner_; 722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(VirtualAudioOutputStreamTest); 742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)TEST_F(VirtualAudioOutputStreamTest, StartStopStartStop) { 772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static const int kCycles = 3; 782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) MockVirtualAudioInputStream* const input_stream = 805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) new MockVirtualAudioInputStream(audio_task_runner()); 815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) audio_task_runner()->PostTask( 822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FROM_HERE, base::Bind( 832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::IgnoreResult(&MockVirtualAudioInputStream::Open), 842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Unretained(input_stream))); 852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 86868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) VirtualAudioOutputStream* const output_stream = new VirtualAudioOutputStream( 87868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) kParams, 88868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) input_stream, 89868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) base::Bind(&base::DeletePointer<VirtualAudioOutputStream>)); 902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) EXPECT_CALL(*input_stream, AddOutputStream(output_stream, _)) 922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) .Times(kCycles); 932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) EXPECT_CALL(*input_stream, RemoveOutputStream(output_stream, _)) 942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) .Times(kCycles); 952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) audio_task_runner()->PostTask( 972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FROM_HERE, base::Bind(base::IgnoreResult(&VirtualAudioOutputStream::Open), 982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Unretained(output_stream))); 992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SineWaveAudioSource source(CHANNEL_LAYOUT_STEREO, 200.0, 128); 1002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (int i = 0; i < kCycles; ++i) { 1015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) audio_task_runner()->PostTask( 1022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FROM_HERE, base::Bind(&VirtualAudioOutputStream::Start, 1032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Unretained(output_stream), 1042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &source)); 1055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) audio_task_runner()->PostTask( 1062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FROM_HERE, base::Bind(&VirtualAudioOutputStream::Stop, 1072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Unretained(output_stream))); 1082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) audio_task_runner()->PostTask( 1102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FROM_HERE, base::Bind(&VirtualAudioOutputStream::Close, 1112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Unretained(output_stream))); 1122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) audio_task_runner()->PostTask( 1142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FROM_HERE, base::Bind(&MockVirtualAudioInputStream::Close, 1152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Unretained(input_stream))); 1162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SyncWithAudioThread(); 1182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} // namespace media 121